#endif
#endif
-#if defined(USE_5005THREADS)
-# define INIT_TLS_AND_INTERP \
- STMT_START { \
- if (!PL_curinterp) { \
- PERL_SET_INTERP(my_perl); \
- INIT_THREADS; \
- ALLOC_THREAD_KEY; \
- } \
- } STMT_END
-#else
-# if defined(USE_ITHREADS)
+#if defined(USE_ITHREADS)
# define INIT_TLS_AND_INTERP \
STMT_START { \
if (!PL_curinterp) { \
PERL_SET_THX(my_perl); \
} \
} STMT_END
-# else
+#else
# define INIT_TLS_AND_INTERP \
STMT_START { \
if (!PL_curinterp) { \
PERL_SET_THX(my_perl); \
} STMT_END
# endif
-#endif
#ifdef PERL_IMPLICIT_SYS
PerlInterpreter *
void
perl_construct(pTHXx)
{
-#ifdef USE_5005THREADS
-#ifndef FAKE_THREADS
- struct perl_thread *thr = NULL;
-#endif /* FAKE_THREADS */
-#endif /* USE_5005THREADS */
-
#ifdef MULTIPLICITY
init_interp();
PL_perl_destruct_level = 1;
/* Init the real globals (and main thread)? */
if (!PL_linestr) {
-#ifdef USE_5005THREADS
- MUTEX_INIT(&PL_sv_mutex);
- /*
- * Safe to use basic SV functions from now on (though
- * not things like mortals or tainting yet).
- */
- MUTEX_INIT(&PL_eval_mutex);
- COND_INIT(&PL_eval_cond);
- MUTEX_INIT(&PL_threads_mutex);
- COND_INIT(&PL_nthreads_cond);
-# ifdef EMULATE_ATOMIC_REFCOUNTS
- MUTEX_INIT(&PL_svref_mutex);
-# endif /* EMULATE_ATOMIC_REFCOUNTS */
-
- MUTEX_INIT(&PL_cred_mutex);
- MUTEX_INIT(&PL_sv_lock_mutex);
- MUTEX_INIT(&PL_fdpid_mutex);
-
- thr = init_main_thread();
-#endif /* USE_5005THREADS */
-
#ifdef PERL_FLEXIBLE_EXCEPTIONS
PL_protect = MEMBER_TO_FPTR(Perl_default_protect); /* for exceptions */
#endif
It is properly deallocated in perl_destruct() */
PL_strtab = newHV();
-#ifdef USE_5005THREADS
- MUTEX_INIT(&PL_strtab_mutex);
-#endif
HvSHAREKEYS_off(PL_strtab); /* mandatory */
hv_ksplit(PL_strtab, 512);
volatile int destruct_level; /* 0=none, 1=full, 2=full with checks */
HV *hv;
#ifdef USE_5005THREADS
- Thread t;
dTHX;
#endif /* USE_5005THREADS */
/* wait for all pseudo-forked children to finish */
PERL_WAIT_FOR_CHILDREN;
-#ifdef USE_5005THREADS
-#ifndef FAKE_THREADS
- /* Pass 1 on any remaining threads: detach joinables, join zombies */
- retry_cleanup:
- MUTEX_LOCK(&PL_threads_mutex);
- DEBUG_S(PerlIO_printf(Perl_debug_log,
- "perl_destruct: waiting for %d threads...\n",
- PL_nthreads - 1));
- for (t = thr->next; t != thr; t = t->next) {
- MUTEX_LOCK(&t->mutex);
- switch (ThrSTATE(t)) {
- AV *av;
- case THRf_ZOMBIE:
- DEBUG_S(PerlIO_printf(Perl_debug_log,
- "perl_destruct: joining zombie %p\n", t));
- ThrSETSTATE(t, THRf_DEAD);
- MUTEX_UNLOCK(&t->mutex);
- PL_nthreads--;
- /*
- * The SvREFCNT_dec below may take a long time (e.g. av
- * may contain an object scalar whose destructor gets
- * called) so we have to unlock threads_mutex and start
- * all over again.
- */
- MUTEX_UNLOCK(&PL_threads_mutex);
- JOIN(t, &av);
- SvREFCNT_dec((SV*)av);
- DEBUG_S(PerlIO_printf(Perl_debug_log,
- "perl_destruct: joined zombie %p OK\n", t));
- goto retry_cleanup;
- case THRf_R_JOINABLE:
- DEBUG_S(PerlIO_printf(Perl_debug_log,
- "perl_destruct: detaching thread %p\n", t));
- ThrSETSTATE(t, THRf_R_DETACHED);
- /*
- * We unlock threads_mutex and t->mutex in the opposite order
- * from which we locked them just so that DETACH won't
- * deadlock if it panics. It's only a breach of good style
- * not a bug since they are unlocks not locks.
- */
- MUTEX_UNLOCK(&PL_threads_mutex);
- DETACH(t);
- MUTEX_UNLOCK(&t->mutex);
- goto retry_cleanup;
- default:
- DEBUG_S(PerlIO_printf(Perl_debug_log,
- "perl_destruct: ignoring %p (state %u)\n",
- t, ThrSTATE(t)));
- MUTEX_UNLOCK(&t->mutex);
- /* fall through and out */
- }
- }
- /* We leave the above "Pass 1" loop with threads_mutex still locked */
-
- /* Pass 2 on remaining threads: wait for the thread count to drop to one */
- while (PL_nthreads > 1)
- {
- DEBUG_S(PerlIO_printf(Perl_debug_log,
- "perl_destruct: final wait for %d threads\n",
- PL_nthreads - 1));
- COND_WAIT(&PL_nthreads_cond, &PL_threads_mutex);
- }
- /* At this point, we're the last thread */
- MUTEX_UNLOCK(&PL_threads_mutex);
- DEBUG_S(PerlIO_printf(Perl_debug_log, "perl_destruct: armageddon has arrived\n"));
- MUTEX_DESTROY(&PL_threads_mutex);
- COND_DESTROY(&PL_nthreads_cond);
- PL_nthreads--;
-#endif /* !defined(FAKE_THREADS) */
-#endif /* USE_5005THREADS */
-
destruct_level = PL_perl_destruct_level;
#ifdef DEBUGGING
{
PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */
DEBUG_P(debprofdump());
-#ifdef USE_5005THREADS
- MUTEX_DESTROY(&PL_strtab_mutex);
- MUTEX_DESTROY(&PL_sv_mutex);
- MUTEX_DESTROY(&PL_eval_mutex);
- MUTEX_DESTROY(&PL_cred_mutex);
- MUTEX_DESTROY(&PL_fdpid_mutex);
- COND_DESTROY(&PL_eval_cond);
-#ifdef EMULATE_ATOMIC_REFCOUNTS
- MUTEX_DESTROY(&PL_svref_mutex);
-#endif /* EMULATE_ATOMIC_REFCOUNTS */
-
- /* As the penultimate thing, free the non-arena SV for thrsv */
- Safefree(SvPVX(PL_thrsv));
- Safefree(SvANY(PL_thrsv));
- Safefree(PL_thrsv);
- PL_thrsv = Nullsv;
-#endif /* USE_5005THREADS */
#ifdef USE_REENTRANT_API
Perl_reentrant_free(aTHX);
projects / p5sagit/p5-mst-13.2.git / blobdiff